src/vector/cl_SV_number.cc

   1 // cl_make_heap_SV_number().
   2
   3 // General includes.
   4 #include "base/cl_sysdep.h"
   5
   6 // Specification.
   7 #include "cln/SV_number.h"
   8
   9 // Implementation.
  10
  11 namespace cln {
  12
  13 static void cl_svector_number_destructor (cl_heap* pointer)
  14 {
  15 #if (defined(__mips__) || defined(__mips64__)) && !defined(__GNUC__) // workaround SGI CC bug
  16         (*(cl_heap_SV_number*)pointer).~cl_heap_SV();
  17 #else
  18         (*(cl_heap_SV_number*)pointer).~cl_heap_SV_number();
  19 #endif
  20 }
  21
  22 // XXX: ugh, this needs to be non-static (and non-const) so redefining
  23 // debugging function is possible (see cl_SV_number_debug.cc)
  24 cl_class& cl_class_svector_number()
  25 {
  26         static cl_class instance = {
  27                 cl_svector_number_destructor,
  28                 0
  29         };
  30         return instance;
  31 }
  32
  33 cl_heap_SV_number* cl_make_heap_SV_number_uninit (std::size_t len)
  34 {
  35         cl_heap_SV_number* hv = (cl_heap_SV_number*) malloc_hook(sizeof(cl_heap_SV_number)+sizeof(cl_number)*len);
  36         hv->refcount = 1;
  37         hv->type = &cl_class_svector_number();
  38         new (&hv->v) cl_SV_inner<cl_number> (len);
  39         // Have to fill hv->v[i] (0 <= i < len) yourself.
  40         return hv;
  41 }
  42
  43 cl_heap_SV_number* cl_make_heap_SV_number (std::size_t len)
  44 {
  45         cl_heap_SV_number* hv = (cl_heap_SV_number*) malloc_hook(sizeof(cl_heap_SV_number)+sizeof(cl_number)*len);
  46         hv->refcount = 1;
  47         hv->type = &cl_class_svector_number();
  48         new (&hv->v) cl_SV_inner<cl_number> (len);
  49         for (std::size_t i = 0; i < len; i++)
  50                 init1(cl_number, hv->v[i]) (0);
  51         return hv;
  52 }
  53
  54 // An empty vector.
  55 const cl_SV_number cl_null_SV_number = cl_null_SV_number;
  56
  57 int cl_SV_number_init_helper::count = 0;
  58
  59 cl_SV_number_init_helper::cl_SV_number_init_helper()
  60 {
  61         if (count++ == 0)
  62                 new ((void *)&cl_null_SV_number) cl_SV_number((std::size_t)0);
  63 }
  64
  65 cl_SV_number_init_helper::~cl_SV_number_init_helper()
  66 {
  67         if (--count == 0) {
  68                 // Nothing to clean up
  69         }
  70 }
  71
  72 }  // namespace cln
  73